SITECUBE /llms.txt Validator · AI Crawler Registry · Web-to-Token Observatory

redis.io

A (88/100) Open to Search & Training

Redis - Real-time data for agents & apps

Raw HTML Tokens: ~427,364 tok
Clean Text Tokens: ~11,796 tok (2.8% signal)
/llms.txt Manifest: 11,721 tok (Spec Compliant)
Edge / TTFB: Cloudflare · 130 ms
AI & /llms.txt Readiness Signal-to-Noise Ratio Token Savings via /llms.txt Network TTFB TLS & HTTP Security DNS & Edge Stack
82/100 2.8% (11,796 / 427,364 tok) -97.3% fewer tokens 130 ms (92/100) 79/100 Cloudflare (Next.js)

Web-to-Token Efficiency & Agent Ingestion Cost

~4 bytes/token UTF-8 heuristic
Ingestion Source Payload Est. Tokens Cost / 1k Reads (Flash $0.35) Cost / 1k Reads (Pro $1.25)
Raw HTML DOM (GET /) 1,669.4 KB 427,364 $149.5774 $534.2050
Stripped Readable Text 46.1 KB 11,796 $4.1286 $14.7450
/llms.txt Manifest 45.8 KB 11,721 $4.1024 $14.6513
HTML Signal-to-Noise Ratio: 2.8% readable text vs. 97.2% markup/script overhead.

/llms.txt Spec Linter & Agent Endpoint Probe

Status: Spec Compliant
GET /llms.txt HTTP 200 · 46,882 bytes (~11,721 tokens · 248 lines)
Spec Check: # H1 Title Pass ("Redis Documentation")
Spec Check: > Summary Pass ("Redis: in-memory data platform for caching, real-time apps, search, vectors, streams, pub/sub, and enterprise deployments (Redis Cloud, Redis Software, open source).")
## H2 Sections & Links 11 sections · 199 canonical markdown links
GET /llms-full.txt Not deployed
GET /.well-known/mcp.json Not advertised
JSON-LD Schema Entities WebPage, Person, ImageObject, Organization, BreadcrumbList, ListItem
Live Payload from https://redis.io/llms.txt
# Redis Documentation

> Redis: in-memory data platform for caching, real-time apps, search, vectors, streams, pub/sub, and enterprise deployments (Redis Cloud, Redis Software, open source).

## Core Docs

- [Docs homepage](https://redis.io/docs/latest/): Entry point for Redis documentation—install, develop, operate, APIs, and feature references for developers and operators.
- [APIs](https://redis.io/docs/latest/apis/index.html.md): Redis API surfaces and integration entry points for programmati

AI Crawler /robots.txt Access Matrix

Open to Search & Training
User-Agent Token Purpose / Operator Effective Directive
OAI-SearchBot ChatGPT Search Citations Allow: /
PerplexityBot Perplexity Answer Citations Allow: /
ChatGPT-User Live User Agent Browsing Allow: /
Claude-SearchBot Anthropic Search Grounding Allow: /
GPTBot Foundation Model Training Allow: /
ClaudeBot Foundation Model Training Allow: /
Google-Extended Gemini Training Control Allow: /
Applebot-Extended Apple Intelligence Training Allow: /
Meta-ExternalAgent Llama Training & Indexing Allow: /
CCBot Open Dataset Training Corpus Allow: /

HTTP Response & Handshake Timing

GET https://redis.io/
DNS Lookup 1 ms HTML Document 1669.4 KB
TCP Connect 1 ms Script Tags 39
TLS Handshake 58 ms Stylesheets 7
Time to First Byte (TTFB) 130 ms Images (with alt) 45 / 45
Total Transfer 140 ms HTTP/3 (Alt-Svc) Not advertised

Edge Network & Application Stack

Header & DOM Signatures
Edge / Reverse Proxy Cloudflare
Application Framework Next.js
Server Header cloudflare
Mail Provider (MX) Mimecast
Telemetry Signatures GA4 / GTM
TXT Verifications Google Search Console

TLS Certificate & HTTP Security Policy

Port 443 X.509
Certificate Issuer Google Trust Services (76 days remaining)
Strict-Transport-Security Present
Content-Security-Policy Present
X-Content-Type-Options Not set
X-Frame-Options Present
Referrer-Policy Not set
Permissions-Policy Not set
SPF / DMARC Policy SPF: Yes · DMARC: Yes

Authoritative DNS & Document Head

A / AAAA / NS / Canonical
A (IPv4) 104.18.25.196
AAAA (IPv6) None
NS (Nameservers) ns-1731.awsdns-24.co.uk, ns-247.awsdns-30.com, ns-791.awsdns-34.net, ns-1248.awsdns-28.org
HTML Title (40c) Redis - Real-time data for agents & apps
/sitemap.xml Valid XML Sitemap

Hosted /llms.txt Mirror & Status Badge

Platform Setup Guide →
1-Line <head> Tag (for Shopify, Webflow, Framer, Wix, Squarespace & WordPress):
Sitecube status for redis.io
GitHub / Docs Markdown Badge:
HTML Badge:

Technical Synthesis & Agentic Ingestion Analysis: redis.io

Automated Engineering Assessment

1. HTML-to-Token Efficiency & LLM Context Window Cost

An unauthenticated HTTPS GET request to https://redis.io/ returns an initial HTML payload of 1,669.4 KB, corresponding to approximately 427,364 UTF-8 tokens when ingested raw by an AI coding agent, retrieval pipeline, or headless browser. After stripping inline <script>, <style>, <svg>, and DOM markup tags, the human-readable text footprint measures 11,796 tokens (46.1 KB)—yielding an HTML Signal-to-Noise Ratio of 2.8%. Because redis.io publishes a valid /llms.txt manifest (measuring 11,721 tokens across 248 lines), AI retrieval agents that read /llms.txt instead of scraping the raw DOM reduce token consumption by 97.3%—cutting 1,000-read inference input costs from $534.2050 to $14.6513 at frontier model rates ($1.25/1M tokens), or $4.1024 on Gemini 4 Hydrogen ($0.35/1M).

2. Indexed Structure Inside redis.io/llms.txt

Sitecube’s specification linter verified 11 H2 section headings and 199 Markdown links inside https://redis.io/llms.txt under the primary heading "Redis Documentation". Documented sections include: Core Docs</code>, <code>Commands Reference</code>, <code>Development</code>, <code>Client Libraries</code>, <code>Integrations</code>, <code>Operations</code>, <code>Products</code>, <code>AI. Key canonical endpoints referenced in the manifest include Docs homepage (https://redis.io/docs/latest/), APIs (https://redis.io/docs/latest/apis/index.html.md), Quick starts (https://redis.io/docs/latest/develop/get-started/index.html.md), Commands index (https://redis.io/docs/latest/commands/), AUTH (https://redis.io/docs/latest/commands/auth/index.html.md).

3. Edge Delivery, TLS Handshake & Security Header Assessment

Traffic for redis.io resolves to 104.18.25.196 via Cloudflare running Next.js, achieving a measured Time to First Byte (TTFB) of 130 ms (DNS lookup: 1 ms, TCP connect: 1 ms, TLS handshake: 58 ms). The port 443 TLS certificate is issued by Google Trust Services with 76 days remaining before expiration (valid through 2027-01-31). Outbound email authentication via SPF is present and DMARC (_dmarc.redis.io) is enforced.

Comparable Hosts in Web-to-Token & /llms.txt Registry

Full Index (28 hosts) →
Host Rating /llms.txt HTML Tokens Text Tokens Signal % Crawler Posture TTFB
sitecube.com A+ 98 1,744 tok 12,387 1,227 9.9% Open to Search & Training 66 ms
cloudflare.com A+ 96 4,294 tok 333,631 471 0.1% Open to Search & Training 251 ms
trendyflash.com A+ 95 3,120 tok 12,197 1,705 14% Open to Search & Training 36 ms
tierones.io A+ 93 481 tok 3,744 693 18.5% Open to Search & Training 30 ms
dosefacts.org A+ 93 10,613 tok 29,181 7,309 25% Open to Search & Training 107 ms
github.com A+ 92 7,165 tok 131,355 1,163 0.9% Open to Search & Training 27 ms
vercel.com A+ 92 1,385 tok 149,553 1,193 0.8% Open to Search & Training 57 ms
aiimpacted.org A+ 92 1,355 tok 17,717 3,605 20.3% Open to Search & Training 173 ms
cloq.com A 91 1,169 tok 2,109 690 32.7% Open to Search & Training 34 ms
multifactor.com A 91 656 tok 98,275 673 0.7% Open to Search & Training 329 ms
supabase.com A 89 879 tok 337,513 1,905 0.6% Open to Search & Training 55 ms
shopify.com A 89 3,161 tok 172,960 513 0.3% Open to Search & Training 95 ms